Meet our Executive Board

Past President
CASEY MENTZER
Casey is an engineer at the Truckee Meadows Water Reclamation Facility. He holds a B.S. in Chemical Engineering, a Master’s of Public Administration from the University of Nevada, Reno and is a registered Professional Engineer in Nevada. His journey as an environmental professional started by working for the Nevada Division of Environmental Protection where he was first introduced to wastewater treatment. He then joined the team at northern Nevada’s largest wastewater plant as an operator and gained his Grade IV Wastewater Treatment Plant Operator certification. He conducts the large majority of tours for the TMWRF and enjoys teaching students and community members about the amazing world of wastewater.”

President-Elect
DAVID WILLIAMS
I am the Mechanical Maintenance Supervisor for the Clark County Water Reclamation District. My Background is entirely mechanical, I have spent the last 25 years as a mechanic for several industrial equipment companies before joining the District in 2008. My current objectives are reliability-based improvements and work processes as well as assisting in design of new expansions of the District. I am born and raised in Las Vegas and enjoy knowing what I do makes a difference to our community.

Treasurer
MICHAEL RAWLINS
Michael Rawlins is a grade 2 wastewater operator for the City of Henderson. He holds a bachelor’s degree from UNLV in finance. Michael started in utilities in early 2020 after several years of experience in heavy equipment design, maintenance, and manufacturing. In his prior position, he was able to install and maintain equipment all over the world specific to the rebar industry. Michael enjoys spending time with his family, coaching little league, hunting, fishing, and participating in any off-road motorsport. Michael looks forward to helping NWEA achieve its goals and mission statement.

WEF Delegate
Jennifer Mason
Jennifer is the Wastewater Operations Supervisor for the Carson City Water Resource Recovery Facility. She is a native Nevadan and has worked in wastewater treatment since 2013. She received a B.S. in Biology from the University of Nevada, Reno, where she found her passion in microbiology. Jennifer has developed a strong sense of devotion into wastewater treatment in which she received her Wastewater Treatment Plant Operator Grade IV certification for the state of Nevada as well as her Professional Operator Wastewater Treatment Class IV from Water Professionals International (WPI). Jennifer volunteers on multiple committees and is currently the Past President of the Nevada Water Environment Association (NWEA), WEF Delegate for NWEA, a certification board member for NWEA, an exam writer for Water Professionals International (WPI) and an honorary Sanitary Sludge Shoveler for NWEA. Her experience with wastewater treatment has given her a deep appreciation to improve her community’s quality of life by promoting the protection of our water systems and preservation of our environment.

President
SABRINA DODOS
Sabrina Dodos is a Utility Services Engineer with the City of Henderson. She has worked in the water/wastewater industry since her first internship and is passionate about this industry. Sabrina is a Professional Engineer in Nevada and California, and she has worked with agencies throughout the southwest. She looks forward to making NWEA the best organization it can be by fulfilling its mission statement and supporting its members.

Secretary
CODY MCDOUGALL
Cody is the Environmental Control Supervisor for the City of Sparks. He has been with the city since 2014. He holds a B.S. in Environmental Science from the University of Nevada, Reno and NWEA Industrial Waste Inspector Grade IV certification. Cody oversees the pretreatment and stormwater programs for the City of Sparks, dedicated to source control, pollution prevention and spill mitigation. He is a board member for the Truckee Meadows Stormwater Permit Coordinating Committee where he works to ensure compliance with the MS4 permit and improve water quality in the region. Cody conducts public outreach events and enjoys engaging with the community to promote watershed education.

PWO Representative
Dave Wozynski
Dave “WOZ” Wozynski moved to Nevada in 2012 and his Nevada Wastewater journey began in 2014 at the regional Truckee Meadows Water Reclamation Facility. Dave worked his way through the TMWRF ranks and along the way earned Nevada Wastewater Treatment Plant Operator Grade IV and Nevada Plant Maintenance Technologist Grade II certifications. Dave currently is an Operations Crew Supervisor at TMWRF and throughout his career, he has worked tirelessly to improve and streamline the means, methods and consistency of Operator Rounds and the associated data and information collected. In 2017, Dave vetted, coordinated, configured and implemented an Electronic Operator Round Checklist System, which has become an integral part of the day-to-day activities of TMWRF and its staff. Dave possesses a strong focus on training of staff and has generated, coordinated and implemented several training mechanisms which include TMWRF Plant specifics as well as Wastewater Industry Standards. In 2016, Dave was selected as the North NWEA Large Facility Wastewater Operator of The Year and he continues to put forth the same dedication and work efforts to this day, which earned him such a designation in 2016.